package ArraysDemo;

import java.util.Arrays;
import java.util.List;

public class ArraysDemo {
    public static void main(String[] args) {
        List<String> list = Arrays.asList("hello","java","world");
        System.out.println(list);
        list.set(0, "哈哈");
        System.out.println(list);
    }
}
